diff --git a/drivers/iio/adc/envelope-detector.c b/drivers/iio/adc/envelope-detector.c
index 4ebda8ab54fe7ae7caae11de4f32789d6b46714d..2f2b563c116223ae824f9f58b6c86ef5eff628c9 100644
--- a/drivers/iio/adc/envelope-detector.c
+++ b/drivers/iio/adc/envelope-detector.c
@@ -1,13 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Driver for an envelope detector using a DAC and a comparator
  *
  * Copyright (C) 2016 Axentia Technologies AB
  *
  * Author: Peter Rosin <peda@axentia.se>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
  */
 
 /*